i'm using about 9 gallons of gypsum (both the prilled stuff that BAS carries AND some actual gypsum rock dust) per 66 cu ft of my soil base mix
that prilled stuff is nice but there is a bonding agent (probably just molasses) that makes those lil pellets all stick together... i just want to diversify my sources
So what do you think that would shake it to for me in my lil' ol' 60-100 gallon holes? I know there is a bunch of calcium carbonate in the soil here from spilling apple cider vinegar on the ground last season. Shit bubbled up like crazy.